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Патент USA US2939625

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June 7, 1960
Filed July 11 , 1957
tjnited States Patent
" we
Patented June 7, 1960:
socket 18 adapted to receive and hold an outlet plate
20, member 18 being provided with inwardly extending
lip 22 at its outer margin which seats in an annular
groove in the wall of outlet plate 20.
In the embodiment shown .in the drawings, outlet
plate 20 is provided with a plurality of small apertures
Louis L. Lerner, Chicago, 11]., assignor to The Gillette
24, 24 which are spaced apart from each other and
which permit the liquid contents of the ejection chamber
socket tobe dispensed therethrough. 'Mounted on the
outer face of plate 20 adjacent each aperture 24 is a
generally conical projection 26, along one side of which
Company, Boston, Mass., a corporation of'Delaware
Filed July 11, 1957, Ser. No. 671,207
5 Claims. (Cl. 222-407)
a groove 28 extends which is in registration with an
aperture 24, as shown best in Figs. 2, 3 and 4.
‘ Mounted within the inlet of the ejection chamber and
This invention relates to a device for dispensing ?uid 15 secured to the bellowswall member 16 adjacent cap
material and pertains more. speci?cally to such a device
member 12 is a check valve member 30 comprising
for dispensing and applying-hair treating material to the
four radially inwardly extending, generally triangular,
?exible, resilient ?ap members 32, 32. These ?ap mem
One object of the invention is to provide a dispensing
device readily mounted on a conventional bottle or con
bers are normally biased to open position as seen in
20 Figs. 5 and 8 and are so arranged that when pressure
tainer and adapted to provide a pumping action for
dispensing the material contained therein.
A second object is to provide a dispenser of the
is applied to the ?ap members by initiation of compres
sion of the bellows wall 16, the members 32 are urged to
a generally horizontal position as seen in Figs. 6, 7 and
type described which is useful for dispensing ?uid mate
9 in which they mate with each other to seal substantially
The members 32 are joined to each other at their
margins and are arranged in generally conical form as
25 completely the inlet passageway.
rials having a wide range of viscosities. I
Still another object is to provide a dispenser of simpli
?ed and inexpensive construction which is durable and
positive acting.
seen in Fig. 5 with the margin of bellows wall member
16 being mounted on'the outer conical face thereof be
Other and further objects will be apparent from the
30 tween the apex and‘the base of the cone. Members 32
drawing and from the description which follows. I i
In the drawing:
are constructed of a ?exible, resilient, compressible, rub
ber-like material and are more readily ?exed to closed
position, as seen in Figs. 6, 7 and 9, than is bellows wall
Fig. 1 is an isometric ‘view showing one embodiment
of the present invention mounted upon a conventional
liquid container;
member 16.
Fig. 2 is a plan view of the embodiment'of Fig. '1;
Fig. 3 is a view in section taken along line 3--3'of
Preferably, members 32, bellows wall
member 16_ and outlet plate socket 18 are all molded
integrally with each other from a single mass of rub
her-like material, in which case the wall thickness of
Fig. 4 is a view in section taken along line 4—4 of
members 32 is preferably less than the thickness of the
wall of bellows member 16 in order to' provide for
Fig. 3;
Fig. 5 is a view in cross section, partly broken away, 40 prompt ?exing of members 32 to closed position as com
pression of bellows member 16 is initiated and before
showing the embodiment mounted on a container and
showing the dispenser in its normal expanded condition; '' it has proceeded very far, as shown in Fig. 6.
Fig. 6 is a view in side elevation, partlyibroken away
In operation of the device, the desired ?uid material
and in section, showing the dispenser at the beginning
is placed in container 10 and the dispenser is mounted
of the compression cycle;
Fig. 7 is a view in cross section, partly broken away,
showing the dispenser in its fully compressed condition;
Fig. 8 is a view in section taken along line 8-8 of
Fig. 5 showing the valve member in open position; and
Fig. 9 is a view'in cross section taken along line 9—-9
of Fig. 7 showing the valve member in closed position.
As appears in the drawings, the dispenser of the pres-'
ent invention may be mounted upon any conventional
container such as bottle 10 which may be provided, for
example, ‘with a screw-threaded neck.
on the neck of the container. as shown in Fig. 1. The
container-and its dispenser are then inverted and outlet
plate 20 is pressed against the hair, which may be, for
example, in the form of a pin curl, so that projections
26 are urged between the individual hair ?bers, thus
parting and opening the hair tress. During this initial
operation the liquid treating material flows through open~
ing 14 in cap member '12 and through valve member 30,
?lling the interior of the ejection‘ chamber up to outlet
plate 20, as seen in Fig. 5. As the device continues to
The dispenser
be pressed gently against the hair, bellows wall member
itself may bemounted on the neck of bottle 10 by means
16 transmits this pressure to the wall of valve member
of a cap member 12 which is internally threaded for
mounting on the neck of the bottle. It will be under
stood, of course, that any other suitable connection such
30, forcing members 32 to closed position as seen in
Fig. 6. As the pressure against the ‘hair continues, bel
lows wall member 16, which is stiffer than the walls of
as a snap ?t between cap 12 and bottle 10 may be em
valve member 39, is compressed to the folded position
ployed when desired. Cap 12 is provided with an open
shown in Fig. 7. This compression is accompanied by
ing 14 through its top. Mounted on cap‘ 12 and com
a reduction in volume of the ejection chamber, and since
municating with the cap through the opening in the top
valve 30 is closed during the compression of bellows wall
is an ejection chamber having a compressible, ?exible,
member 16, the liquid material enclosed within the ejec
resilient bellows wall member 16 which extends up
tion chamber is forced outwardly through apertures
wardly from cap 12 when the device is not in use, as 65 24, 24 and along grooves 28, 28 into the interior of the
shown in Fig. l. Bellows wall member 16 is normally
hair tress ‘between the individual ?bers thereof. Upon
biased to an expanded position by the inherent flexibility
release of the pressure the device regains the position
and resiliency thereof, as shown in Figs. 1 and 5, but
shown in Fig. 5, whereupon the operation may be
may be compressed by urging it against cap member 12,
as shown in Figs. 6 and 7. Mounted on the outer end
It will be understood that the number, size, location
of bellows wall member 16 is a generally cylindrical open
and spacing of apertures 24, 24 and projections 26, 26
may be varied as desired depending upon the nature and
chamber, and a check valve interposed between said in
let and outlet for controlling the flow of ?uid material
therethrough, said valve being biased to normally open
viscosity of the hair treating material to be dispensed.
It will be understood, of course, that cap member 12
and outlet plate 20 may also‘ be made integral with ‘the
remainder of the dispenser if desired, although in the
preferred embodiment illustrated above they are made
position when the bellows is ‘biased to an expanded posi
tion and being connected to said bellows wall member
whereby the valve is urged to closed position when the
of a relatively’ hard, rigid, plastic material such as poly
st‘ rene, a thermoset resin or the like, while the valve
bellows begins to be compressed. ,
3. A device for dispensing ?uid material comprising
member 36, bellows wall member 16 and socket mem
'1 a cap adapted to be removably attached to a bottle neck,
ber 118 are all formed of a rubbery, resilient,relastic ma 10 said cap having an opening through. its top, an ejection
chamber mounted on said cap communicating therewith
Although speci?c embodimentsrof the invention have
been described herein, it is not intended to limit the in
vention solely thereto, but to include all of the obvious
variations and modi?cations within the spirit and scope
of the appended claims.’
What is claimed is:
through said opening, said chamber having a ?exible
integral one-piece, resilient Wall member in the form of
1. A device for dispensing ?uid material comprising a
compressible chamber having a ?exible resilient" Wall
a bellows biased to an expanded position by the inherent
resiliency of said wall member, an outlet in the wall of
said ejection chamber, and a valve interposed between
said cap and chamber, said valve including a plurality 0t
?exible resilient radially extending ?aps normally biased
_ to open position and movable to closed position by com
member in the form of a bellows biased to an expanded 20 pression of said bellows, the ?exibility of said ?aps being
position by the inherent ?exibility and resiliency of the
greater than the ?exibility of said bellows whereby said
wall member and compressible to a folded condition, said
?aps are moved to closedposition near the beginning of
chamber being adapted to be connected to a supply of
the compression of said bellows.
said ?uid material and having an inlet adjacent one end
4. A device as de?ned in claim 3 in which said outlet
of said bellows wall member and an outlet for said ?uid 25 comprises a generally ?at plate member provided with a
material adjacent the other end, and a valve mounted
plurality of small spaced-apart apertures therethrough.
in said inlet operatively connected to said Wall member,
5. A device as de?ned in claim 3 in which said ?aps
said valve having means normally biased to open posi-'
are normally disposed in generally conical con?guration
tion and movable to closed position by said wall mem
and extend inwardly from said bellows wall member.
ber upon initiation of compression of said bellows.
2. A device for dispensing ?uid material comprising
References Cited in the ?le of this patent
a cap adapted for mounting on a container of said ma
terial, a compressible chamber having a ?exible resilient
wall member mounted on and extending upwardly from
said cap, Isaid wall member being in the form of a bel 35
lows biased to an expanded position by the inherent
?exibility and resiliency of the wall member and com- '
pressible to a folded position, an outlet for delivery
of said ?uid material adjacent the end of said chamber
remote from said cap, an inlet between said cap and 40
Fulton ______________ __ Mar. 2, 1920
Schrader __________ __,_.._ Jan. 10, 1939
2,219,604- I
Trotter ______________ __ Oct. 29, 1940
Estenes ______________ __ Oct. 20, 1942
Oakes ______________ __ Nov. 28, 1950
Ward ________ __,_____,___ Sept‘. 4, 1956
Ebberts _____________ __ Aug. 13, 1957
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